Finding the Fourth Proportional to 3,199,230.80, 4,391,437.98 and 2,828,534.30
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Solution
The fourth proportional to 3,199,230.80, 4,391,437.98 and 2,828,534.30 is: 3,882,599.82
Step by Step Solution
- Step 1: Write the proportion equation
3,199,230.80 : 4,391,437.98 = 2,828,534.30 : x - Step 2: Convert to fraction form
3,199,230.80/4,391,437.98 = 2,828,534.30/x - Step 3: Cross multiply
3,199,230.80x = 4,391,437.98 × 2,828,534.30 - Step 4: Simplify right side
3,199,230.80x = 12,421,332,938,610.04 - Step 5: Solve for x
x = 12,421,332,938,610.04/3,199,230.80 - Step 6: Final answer
x = 3,882,599.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.